Home / 4,971.20-6,860.09-2,846.66

Finding the Fourth Proportional to 4,971.20, 6,860.09 and 2,846.66

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Solution

The fourth proportional to 4,971.20, 6,860.09 and 2,846.66 is: 3,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.20 : 6,860.09 = 2,846.66 : x
  2. Step 2: Convert to fraction form
    4,971.20/6,860.09 = 2,846.66/x
  3. Step 3: Cross multiply
    4,971.20x = 6,860.09 × 2,846.66
  4. Step 4: Simplify right side
    4,971.20x = 19,528,316.62
  5. Step 5: Solve for x
    x = 19,528,316.62/4,971.20
  6. Step 6: Final answer
    x = 3,928.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.